Play pen



FIG. 1 is a top view of a play pen showing my new design;

FIG. 2 is a vertical, cross-sectional view thereof taken along line II--II of FIG. 1;

FIG. 3 is a top, perspective view thereof;

FIG. 4 is a top, perspective view taken from the opposite side of FIG. 3 showing parts of the side walls cut-away to more clearly illustrate the interior design thereof and,

FIG. 5 is a fragmentary elevational view of one of the wheels shown in FIGS. 2 and 3. 

The ornamental design for a play pen, substantially as shown and described. 